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ADS1258/ADS1278 pdf(Analog Fro
消耗积分:5 |
格式:rar |
大小:191 |
2010-06-17
张强
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1 Introduction .... 1
2 Nature of the ECG Signal and System Design Implications ... 2
3 System Approaches ..... 3
4 ECG AFE with Low-Resolution (≤ 16-bit) ADCs ...... 4
5 Simplified Low-Cost ECG AFE with 24-bit Delta-Sigma ADCs 5
6 Sequential Sampling Measurements with the ADS1258 ....... 7
7 Simultaneous Sampling Measurements with the ADS1278 .... 9
8 References ... 10
List of Figures
1 ECG Signal Characteristics........ 2
2 System Approaches Based on ADC Resolution ...... 3
3 Typical SAR-Based ECG Signal Chain (Sequential Sampling) 4
4 ΔΣ-Based, Low-Cost ECG Signal Chain (Sequential Sampling) ......... 5
5 ΔΣ-Based, Low-Cost ECG Signal Chain (Simultaneous Sampling)...... 6
6 Test Setup Using the ADS1258... 7
7 Measured Time Domain Data ..... 8
8 Test Setup Using the ADS1278... 9
9 ADS1278 with Simulated 2-mV Cardiac Test Input. 10
2 Nature of the ECG Signal and System Design Implications ... 2
3 System Approaches ..... 3
4 ECG AFE with Low-Resolution (≤ 16-bit) ADCs ...... 4
5 Simplified Low-Cost ECG AFE with 24-bit Delta-Sigma ADCs 5
6 Sequential Sampling Measurements with the ADS1258 ....... 7
7 Simultaneous Sampling Measurements with the ADS1278 .... 9
8 References ... 10
List of Figures
1 ECG Signal Characteristics........ 2
2 System Approaches Based on ADC Resolution ...... 3
3 Typical SAR-Based ECG Signal Chain (Sequential Sampling) 4
4 ΔΣ-Based, Low-Cost ECG Signal Chain (Sequential Sampling) ......... 5
5 ΔΣ-Based, Low-Cost ECG Signal Chain (Simultaneous Sampling)...... 6
6 Test Setup Using the ADS1258... 7
7 Measured Time Domain Data ..... 8
8 Test Setup Using the ADS1278... 9
9 ADS1278 with Simulated 2-mV Cardiac Test Input. 10
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